Factory supplied Astm 304 321 316 316l Stainless Steel Tube - Duplex Seamless tube – Donghao Metal Group

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We strive for excellence, service the customers", hopes to become the best cooperation team and dominator enterprise for personnel, suppliers and customers, realizes value share and continuous promotion for Stainlees Steel Seamless Round Pipe , Thin-Wall Stainless Steel Seamless Pipe , Stainless Steel Tube End Caps , As a leading manufacture and exporter, we appreciate a great status inside the international markets, especially in America and Europe, because of our top high-quality and sensible charges.

Factory supplied Astm 304 321 316 316l Stainless Steel Tube - Duplex Seamless tube – Donghao Metal Group Detail:

As the duplex and super duplex stainless steel has both the advantages of ferritic stainless steel and the austenitic stainless steel, they are widely used to produce heat transferring tubing for petrochemical industry, sea water treatment…. in aggressive acidic, chloride containing environments. DMG supply duplex tubes with high quality.

Delivery Condition: Annealed & Pickled, Annealed & Pickled + Polished

Grades: S31803, S32205, S32750, S32550, S32760, Other grades can be offered on request.

Standards:

ASTM/ASME A/ SA789 Seamless and welded Ferritic /Austenitic Stainless Steel Tubing for General Service

ASTM/ASME A/SA790 Seamless and welded Ferritic /Austenitic Stainless steel pipe

Outside diameter range from 12-76.2mm

Wall thickness range from 0.71-12mm

Inspection & Test：

1. 100% PMI / Chemical analysis tests.

2.100% Dimension tests & 100% Visual examination

3. Tension test, flange test, hardness test, flattening test

4. 100% Eddy Test or Hydrostatic Test before bending and 100% Hydrostatic test after bending

5. Checking stress released heat treatment in bending area plus 300mm straight leg length after bending with agreement with clients.

Notes: all the tests and inspection need to provide with reports according to standard and test results.

Length: Random Length / Fixed Length

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Good quality comes to start with; service is foremost; organization is cooperation" is our enterprise philosophy which is regularly observed and pursued by our firm for Factory supplied Astm 304 321 316 316l Stainless Steel Tube - Duplex Seamless tube – Donghao Metal Group, The product will supply to all over the world, such as: Doha , Italy , Slovak Republic , We are eager to cooperate with foreign companies which care much on the real quality, stable supply, strong capability and good service. We can offer the most competitive price with high quality,because we are much MORE PROFESSIONAL. You are welcomed to visit our company at any time.

300 Series Tube